RELIABLE Self-locking threaded coupling 100% scoop proof Contact retention system provides excellent contact retention under severe vibration EMI PROTECTED Grounding fingers for excellent EMI protection Metal-to-metal bottoming for maximum EMI grounding protection Connector is grounded when the shells meet, even before the contacts are engaged Trapezoidal thread for excellent shell-to-shell continuity VERSATILE Variety of shell materials and finishes Wide range of backshells and accessories 1 2 3 4 5 6 DEUTSCH DTS Series Aluminum Connectors DEUTSCH DTS-K, DTS-L and DTS-S Series Stainless Steel Connectors DEUTSCH ACT Series Composite Connectors DEUTSCH MIL-DTL-38999 Series subminiature circular connectors offer a scoop-proof design for easy, reliable mating and a threaded coupling for excellent vibration resistance. They are available in three families distinguished by shell materials. DTS Series: Lightweight aluminum shells for environmentally sealed versions and stainless steel for hermetic versions. DTS-K and DTS-S Series: Stainless steel shells meeting the requirements of Classes K and S, suitable for firewall and high-temperature applications such as engines. ACT Series: Composite shells, offering the lightest weight and highest resistance to corrosion. Inserts are available in nine shell sizes, with contact arrangements meeting MIL-DTL-1560, along with additional arrangements, to help maximize flexibility in circuit configurations. 7 Designed to Perform 1 High-quality silicone seals to help maximize tear resistance and sealing memory 2 Self-locking threaded coupling 3 100% metal-to-metal bottoming for excellent EMI grounding protection 4 Triple-start threads 5 Grounding fingers providing excellent EMI protection 6 Elongated mounting holes for flexible mounting with standard MIL-DTL-38999 box or wall mount receptacles 7 Contact retention system provides excellent contact retention under severe vibration AEROSPACE, DEFENSE & MARINE /// MIL-DTL-38999 CIRCULAR CONNECTORS PAGE 30
Specifications MATERIALS Shell: Aluminum, composite, stainless steel, marine bronze Plating: Olive drab cadmium, passivated, electroless or electrodeposited nickel, nickel PTFE, black zinc nickel Insert: Thermoplastic and fluorinated silicone elastomer EMI Spring Fingers: Nickel or cadmium-plated beryllium copper O-Ring: Fluorinated silicone elastomer ENVIRONMENTAL Temperature Range: -65 C to +200 C Fluid Resistance: Fluid immersion per EIA 364.10, including resistance to MIL-PRF-5606: Hydraulic fluid MIL-DTL-83133: JP-8 aviation fuel MIL-PRF-7808: Lubricating oil MIL-PRF-23699: Lubricating oil MIL-A-8243: Deicing/defrosting fluid MIL-C-25769: Aircraft cleaning compound MIL-PRF-87937: Aircraft cleaning compound MIL-G-3056: Gasoline Salt Spray: 48 hours (Nickel finishes) 500 hours (Cadmium, black zinc nickel, nickel PTFE, and passivated finishes) 2000 hours (Composite classes M and J) Thermal Cycling: -65 to 150/175/200 C (max. temperature is class dependent) MECHANICAL Sine Vibration: Up to 60 g for 36 hr. Random Vibration: Up to 41.7 g for 16 hr. at 175 C Up to 50 g for 16 hr. at ambient temperature Shock: 300 g, 3 ms in the 3 axes Durability: 500 mating cycles (1500 cycles for composite connectors) Contact Retention: Size 23: 44 N (10 lb.) Size 22D: 44 N (10 lb.) Size 20: 67 N (15 lb.) Size 16: 111 N (25 lb.) Size 12: 111 N (25 lb.) Size 10: 111 N (25 lb.) Size 8: 111 N (25 lb.) ELECTRICAL Shell-to-Shell Conductivity: 1.0 mv (nickel finish) 2.5 mv (cadmium finish) 3 mv (passivated finish) Shielding Effectiveness: >90 db at 100 MHz, >65 db through 10 GHz AEROSPACE, DEFENSE & MARINE /// MIL-DTL-38999 CIRCULAR CONNECTORS PAGE 31
Voltage Rating Service Rating Suggested Operating Voltage Test Voltage at Altitude (VACrms) VACrms VDC Sea Level 50,000 Ft. 70,000 Ft. 100,000 Ft. M 400 550 1300 550 350 200 N 300 450 1000 400 260 200 I 600 850 1800 600 400 200 II 750 1050 2300 800 500 200 Hermetic Connectors Hermetic Seal: Sintered glass Leakage: 16 cm 3 /hr. (0.97 in 3 /hr.) on mated pairs connected under 2.1 bar (4.38 psi) Thermal Shock: 10 cycles, 4 C max. to 90 C min. Current Rating Contact Size Test Current (A) Voltage Drop (mv) 23 3 73 22D 5 73 20 7.5 55 16 13 50 12 23 42 10 33 34 8* 46 26 *When commercial power contact replaces twin-ax contact Thread Sizes Shell Size Accessory Thread (6g 0.100R) Mating Thread (0.1P-0.3L) Jam Nut Thread (6g 0.100R) 9 M12 x 1.0.6250 M17 x 1.0 11 M15 x 1.0.7500 M20 x 1.0 13 M18 x 1.0.8750 M25 x 1.0 15 M22 x 1.0 1.0000 M28 x 1.0 17 M25 x 1.0 1.1875 M32 x 1.0 19 M28 x 1.0 1.2500 M35 x 1.0 21 M31 x 1.0 1.3750 M38 x 1.0 23 M34 x 1.0 1.5000 M41 x 1.0 25 M37 x 1.0 1.6250 M44 x 1.0 AEROSPACE, DEFENSE & MARINE /// MIL-DTL-38999 CIRCULAR CONNECTORS PAGE 32
Part Numbering MIL-DTL-38999 and DEUTSCH Commerical Versions Commercial Commercial Military Description Composite Alum./ Stainless RANGE ACT DTS D38999 Commercial Composite ACT 26 M D 35 P N -6149 Commercial Al/SS DTS 26 F 15-35 P N -6149 Military D38999 /26 F D 35 P N -L/C STYLE 20 20 /20 Square Flange Receptacle 24 24 /24 Jam Nut Receptacle 26 26 /26 Straight Plug 13 Box Mount Receptacle 20 /21 Hermetic Square Flange Receptacle 24 /23 Hermetic Jam Nut Receptacle 21 /25 Hermetic Solder Flange 23 /27 Hermetic Weld Flange CLASS ALUMINUM SHELL F F Electroless Nickel Plated (48-hr. Salt Spray) G G Space-Grade Electroless Nickel (48-hr. Salt Spray) T T Nickel PTFE (500-hr. Salt Spray) W W Olive Drab Cadmium (500-hr. Salt Spray) Z Z Black Zinc Nickel (500-hr. Salt Spray) COMPOSITE SHELL M M Electroless Nickel Plated (2000-hr. Salt Spray) J J Olive Drab Cadmium (2000-hr. Salt Spray) STAINLESS STEEL SHELL K K Passivated S.S., Firewall (500-hr. Salt Spray) S S Electrodeposited Nickel S.S., Firewall (500-hr. Salt Spray) L L Electrodeposited Nickel (48-hr. Salt Spray) HERMETIC Y Y Stainless Steel, Passivated N N Stainless Steel, Electrodeposited Nickel Plated H H Space Grade SHELL SIZES 9 (A), 11 (B), 13 (C), 15 (D), 17 (E), Numbers = DTS Commercial; 19 (F), 21 (G), 23 (H), 25 (J) (Letters) = Military/ACT Commercial INSERT ARRANGEMENTS See Insert Arrangement Tables, pages 10-17 and 35-36 CONTACTS P Pin, H 1500-Cycle Pin S Socket, J 1500-Cycle Socket A Less Pin (with intent to use nonstandard contacts) B Less Socket (with intent to use nonstandard contacts) CONTACTS FOR HERMETIC CONNECTORS P Pin, Solder Cup, S Socket, Solder Cup C PC Tail Pin, D PC Tail Socket X Eyelet Pin, Z Eyelet Socket KEYING N, A, B, C, D, E, U N = Normal, U = Universal MODIFICATION CODE 6149 6149 L/C Less Contacts AEROSPACE, DEFENSE & MARINE /// MIL-DTL-38999 CIRCULAR CONNECTORS PAGE 33
Part Numbering EN3645 and DEUTSCH Commercial Versions EN3645 F 0 D N 35 M N RANGE EN3645 FINISH METAL SHELLS F Nickel K Passivated W Olive Drab Cadmium COMPOSITE SHELLS J Olive Drab Cadmium M Nickel SHELL TYPE 0 Square Flange Receptacle 7 Jam Nut Receptacle 6 Straight Plug SHELL SIZE A, B, C, D, E, F, G, H, J CAVITY TYPE N Normal (Standard) G Grounded (Signal Contact Bodies Grounded to Shell) R Reinforced (For Power Contacts) L Polarized (Keyed for Quadrax or Twinax Contacts) Q Polarized and Grounded Note: L and Q are, respectively, legacy to N and G INSERT ARRANGEMENT See Insert Arrangement Tables, page 10 CONTACT TYPE M Pin F Socket A Less Pin B Less Socket KEYING POSITIONS N (Normal) A, B, C, D, E AEROSPACE, DEFENSE & MARINE /// MIL-DTL-38999 CIRCULAR CONNECTORS PAGE 34
Insert Contact Size/Quantity Inactive: Superseded by Uses 38999/62-8* Boots Includes K Class 23 22D 20 16 12 10 12 Coax 12 Twinax 8 Power 8 Coax 8 Twinax Military (Commercial ACT) DTS Commercial 09-07 A7 (A07) 7 09-23 A23 9 09-35 A35 6 4 09-98 A98 3 4 11-02 B2 (B02) 2 11-04 B4 (B04) 4 11-05 B5 (B05) 5 11-23 B23 19 11-35 B35 13 4 11-98 B98 6 4 11-99 B99 7 4 13-04 C4 (C04) 4 13-08 C8 (C08) 8 4 13-23 C23 32 13-35 C35 22 4 13-98 C98 10 4 15-05 D5 (D05) 5 4 15-15 D15 1 14 15-18 D18 18 4 15-19 D19 19 4 15-23 D23 55 15-26 D26 2 24 15-35 D35 37 4 15-97 D97 4 8 4 17-02 E2 (E02) 1 38 17-03 17-03 E3 (E03) 1 38 4 17-06 E6 (E06) 6 4 17-08 E8 (E08) 8 4 17-11 E11 2 1 8 17-19 E19 4 11 4 17-20 E20 4 16 17-22 E22 2 2 17-23 E23 73 17-24 E24 2 22 17-26 E26 26 4 17-35 E35 55 4 17-99 E99 2 21 4 19-11 F11 11 4 19-18 F18 4 14 19-19 19-19 F19 4 14 4 19-23 E23 88 19-28 F28 2 26 Blue shaded entries are not Mil Spec. Green shading indicates high-density inserts. AEROSPACE, DEFENSE & MARINE /// MIL-DTL-38999 CIRCULAR CONNECTORS PAGE 35
Insert Contact Size/Quantity Inactive: Superseded by Uses 38999/62-8* Boots Includes K Class 23 22D 20 16 12 10 12 Coax 12 Twinax 8 Power 8 Coax 8 Twinax Military (Commercial ACT) DTS Commercial 19-32 F32 32 4 19-35 F35 66 4 21-11 G11 11 21-16 G16 16 21-20 G20 2 18 21-23 G23 121 21-35 G35 79 4 21-39 G39 2 37 4 21-41 G41 41 4 21-48 G48 4 21-75 G75 4 21-76 21-76 G76 4 4 23-06 H6 (H06) 6 23-21 H21 21 23-23 H23 151 23-35 H35 100 23-53 H53 53 4 23-54 H54 4 9 40 23-55 H55 55 23-63 H63 4 4 49 25-04 J4 (J04) 8 48 4 25-07 J7 (J07) 2 97 25-09 25-08 J8 (J08) 8 25-10 25-09 J9 (J09) 2 97 4 25-10 J10 8 4 25-11 J11 9 2 25-17 J17 6 36 25-19 J19 19 25-20 J20 3 4 13 10 25-21 25-21 J21 3 4 13 10 4 25-23 J23 187 25-24 J24 12 12 25-29 J29 29 25-35 J35 128 4 25-37 J37 37 25-43 J43 20 23 25-46 J46 2 4 40 25-47 25-47 J47 2 4 40 4 25-61 J61 61 4 25-90 J90 2 4 40 25-91 25-91 J91 2 4 40 4 Blue shaded entries are not Mil Spec. Green shading indicates high-density inserts. AEROSPACE, DEFENSE & MARINE /// MIL-DTL-38999 CIRCULAR CONNECTORS PAGE 36
Square Flange Receptacle Type 20 31.50 [1.240] B C1 D E C2 G B 12.95 [0.510] PP P Shell Size B C1 C2 D Max. E Max. F G P PP Mass (g) by Shell Type AI SS Composite 09 23.80 0.937 18.26 0.719 15.09 0.594 15.75 0.620 11.90 0.469 5.49 0.216 10 27 9 11 26.20 1.031 20.62 0.812 18.26 0.719 18.90 0.744 14.90 0.587 16 36 11 13 28.60 1.126 23.01 0.906 20.62 0.812 22.10 0.870 17.90 0.705 19 45 14 15 31.00 1.220 24.61 0.969 23.01 0.906 25.25 0.994 21.90 0.862 25 56 18 17 33.30 1.311 26.97 1.062 24.61 0.969 29.95 1.179 24.90 0.980 32 74 23 19 36.50 1.437 29.36 1.156 26.97 1.062 31.55 1.242 27.90 1.098 39 78 26 21 39.70 1.563 31.75 1.250 29.36 1.156 20.10 0.791 0.126 34.70 1.366 30.90 1.217 45 95 31 23 42.90 1.689 3 1.375 31.75 1.250 20.10 0.791 0.126 37.90 1.492 33.90 1.335 3.91 0.154 6.15 0.242 54 108 36 25 46.00 1.811 38.10 1.500 3 1.375 20.10 0.791 0.126 41.10 1.618 36.90 1.453 3.91 0.154 6.15 0.242 59 120 43 Millimeters Inches AEROSPACE, DEFENSE & MARINE /// MIL-DTL-38999 CIRCULAR CONNECTORS PAGE 37
Jam Nut Receptacle Type 24 22.60 [0.890] 3 [1.280] E B M F G 12.95 [0.510] Ø A Shell Size 09 11 13 15 17 19 21 23 25 A B E F G M Max. 30.20 1.189 34.90 1.374 38.10 1.500 41.30 1.626 44.50 1.752 49.20 1.937 52.40 2.063 55.60 2.189 58.70 2.311 27.00 1.063 31.80 1.252 34.90 1.374 38.10 1.500 41.30 1.626 46.00 1.811 49.20 1.937 52.40 2.063 55.60 2.189 2.20 0.087 2.20 0.087 2.20 0.087 2.20 0.087 2.20 0.087 3.00 0.118 3.00 0.118 3.00 0.118 3.00 0.118 15.75 0.620 18.90 0.744 22.10 0.870 25.25 0.994 29.95 1.179 31.55 1.242 34.70 1.366 37.90 1.492 41.10 1.618 11.90 0.469 14.90 0.587 17.90 0.705 21.90 0.862 24.90 0.980 27.90 1.098 30.90 1.217 33.90 1.335 36.90 1.453 24.00 0.945 27.00 1.063 32.00 1.260 36.00 1.417 37.00 1.457 41.00 1.614 46.00 1.811 50.00 1.969 51.23 2.017 Mass (g) by Shell Type AI SS Composite 15 40 11 21 50 14 27 60 18 32 72 23 40 92 29 49 96 35 54 114 38 65 130 46 73 143 55 Millimeters Inches AEROSPACE, DEFENSE & MARINE /// MIL-DTL-38999 CIRCULAR CONNECTORS PAGE 38
Plug Type 26 31 [1.220] F G Ø S Coupling Torque: Plug to Receptacle Shell Size 09 11 13 15 17 F Max. G S Max. 18.40 0.724 21.10 0.831 25.40 1.000 28.70 1.130 32.20 1.268 11.90 0.469 14.90 0.587 17.90 0.705 21.90 0.862 24.90 0.980 21.80 0.858 25.00 0.984 29.40 1.157 3 1.280 35.70 1.406 Mass (g) by Shell Type AI SS Composite 15 36 9 20 50 13 27 64 18 34 80 23 37 88 25 Shell Size Engagement and Disengagement (Max.) Minimum Disengagement Nm Lb.-in. Nm Lb.-in. 09 0.9 8 11 1.4 12 13 1.8 16 15 2.3 20 17 2.7 24 19 3.2 28 21 3.6 32 0.2 2 0.3 3 19 21 34.90 1.374 38.10 1.500 27.90 1.098 30.90 1.217 38.50 1.516 41.70 1.642 48 102 32 55 117 35 23 4.1 36 25 4.6 40 0.6 5 23 41.10 1.618 33.90 1.335 44.90 1.768 67 131 41 25 44.30 1.744 36.90 1.453 48.00 1.890 71 145 48 Millimeters Inches AEROSPACE, DEFENSE & MARINE /// MIL-DTL-38999 CIRCULAR CONNECTORS PAGE 39
38.80 [1.528] Mated/Unmated Dimensions [0.126] 35.60 [1.402 Square Flange Receptacle to Plug Square Flange Receptacle Type 2038.80 [1.528] [0.126] Plug Type 26 Square Flange Receptacle Type 20 35.60 [1.402] Square Flange Receptacle Type 20 8.75 [0.344] Front Mount 53.05 [2.089] Plug Square Flange Type 26 Receptacle Type 20 11.90 [0.469] Plug Type 26 49. [1.9 MA Rear Moun 8.75 [0.344] Front Mount Jam Nut Receptacle to Plug 53.05 [2.089] 2.30 to 3.10 [0.091 to 0.122] 1.58 to [0.062 to 0.126] 11.90 [0.469] 37.05 [1.459] 49.85 [1.963] Rear Mount Jam Nut Receptacle Type 24 Plug Type 26 10.75 [0.423] 51.30 [2.020] AEROSPACE, DEFENSE & MARINE /// MIL-DTL-38999 CIRCULAR CONNECTORS PAGE 40
Dummy Receptacle Type PR D E B C1 C2 F B 12.95 [0.510] Max. P PP Shell Size 09 11 13 15 17 19 21 23 25 B C1 C2 D Max. E Max. F G P PP 23.80 0.937 26.20 1.031 28.60 1.126 31.00 1.220 33.30 1.311 36.50 1.437 39.70 1.563 42.90 1.689 46.00 1.811 18.26 0.719 20.62 0.812 23.01 0.906 24.61 0.969 26.97 1.062 29.36 1.156 31.75 1.250 3 1.375 38.10 1.500 15.09 0.594 18.26 0.719 20.62 0.812 23.01 0.906 24.61 0.969 26.97 1.062 29.36 1.156 31.75 1.250 3 1.375 20.10 0.791 20.10 0.791 20.10 0.791 0.126 0.126 0.126 15.73 0.619 18.91 0.744 22.08 0.869 25.26 0.994 29.96 1.180 31.54 1.242 34.72 1.367 37.90 1.492 41.07 1.617 3.91 0.154 36.90 1.453 5.49 0.216 6.15 0.242 3.91 0.154 5.49 0.216 6.15 0.242 6.15 0.242 Mass (g) by Shell Type AI SS Composite 7 10 8 11 16 11 15 22 14 18 31 18 22 46 23 26 51 26 30 65 31 33 78 36 36 97 43 Millimeters Inches AEROSPACE, DEFENSE & MARINE /// MIL-DTL-38999 CIRCULAR CONNECTORS PAGE 41
Recommended Panel Cutouts C1 ØH C1 ØH1 K A V V1 Square Flange Receptacle (Type 20) Jam Nut Receptacle (Type 24) Shell Size A C1 9 11 13 15 17 19 21 23 25 Millimeters Inches 3.91 0.154 18.26 0.719 20.62 0.812 23.01 0.906 24.61 0.969 26.97 1.062 29.36 1.156 31.75 1.250 3 1.375 38.10 1.500 Front 13.11 0.516 15.08 0.594 19.05 0.750 23.01 0.906 25.81 1.106 28.98 1.141 32.16 1.266 3 1.375 37.69 1.484 H Min. Rear 16.66 0.656 22.22 0.875 23.42 0.922 26.59 1.047 30.96 1.219 32.94 1.297 36.12 1.422 39.29 1.547 42.47 1.672 H1 Max. K Max. V Min. V1 Min. 17.78 0.700 20.88 0.822 25.58 1.007 28.80 1.134 31.98 1.259 35.15 1.384 38.28 1.507 41.50 1.634 44.68 1.759 16.70 0.657 19.53 0.769 24.26 0.995 27.53 1.084 30.68 1.208 33.86 1.333 37.06 1.459 40.01 1.575 43.41 1.709 25.58 1.007 27.00 1.063 30.20 1.189 33.30 1.331 36.50 1.437 39.30 1.547 4 1.673 45.70 1.799 48.80 1.921 20.20 1.189 32.60 1.283 36.00 1.417 39.60 1.559 43.30 1.705 47.00 1.850 50.60 1.992 54.20 2.134 59.70 2.350 AEROSPACE, DEFENSE & MARINE /// MIL-DTL-38999 CIRCULAR CONNECTORS PAGE 42
Keying Options (Viewed from Mating Face of the Receptacle Connector) Shell Size 09 11, 13, 15 17, 19, 21, 23, 25 Key Position Polarization (Degrees) A B C D N 105 140 215 265 A 102 132 248 320 B 80 118 230 312 C 35 140 205 275 D 64 155 234 304 E 91 131 197 240 N 95 141 208 236 A 113 156 182 292 B 90 145 195 252 C 53 156 220 255 D 119 146 176 298 E 51 141 184 242 N 80 142 196 293 A 135 170 200 310 B 49 169 200 244 C 66 140 200 257 D 62 145 180 280 E 79 153 197 272 AEROSPACE, DEFENSE & MARINE /// MIL-DTL-38999 CIRCULAR CONNECTORS PAGE 43